High Quality Siemens Q245 – 45A 2 Pole Miniature Circuit Breaker

Built for everyday residential and commercial power distribution, this 45A QP series component delivers dependable thermal-magnetic overcurrent protection. It snaps securely into Siemens load centers and P1 panelboards, acting as an exact cross-reference for the discontinued MP245. With a standard 10kAIC rating at 120/240VAC, the two-pole unit includes Insta-Wire technology to speed up installation and is fully HACR rated for heating and cooling circuits.